TemplateControl.AbortTransaction Olay

Tanım

Ad Alanı:

System.Web.UI

Bütünleştirilmiş Kod:

System.Web.dll

Kullanıcı bir işlemi sonlandırdığında gerçekleşir.

public:
 event EventHandler ^ AbortTransaction;

public event EventHandler AbortTransaction;

member this.AbortTransaction : EventHandler 

Public Custom Event AbortTransaction As EventHandler 

Olay Türü

EventHandler

Örnekler

Aşağıdaki kod örneği, olay için özel bir olay işleyicisinin nasıl kaydedileceklerini AbortTransaction gösterir. Soyut TemplateControl bir sınıf olduğundan, bu kod örneği sınıfından Page türetilen sınıfını TemplateControl kullanır. Account işlemsel olan ve birim olarak yürütülmesi gereken bir Debit işlemi destekleyen bir sınıftır. Bu işlem sırasında herhangi bir özel durum oluşursa işlem sonlandırılır.

  private void Page_Load(object sender, System.EventArgs e)
  {
      AbortTransaction += new System.EventHandler(Sub_AbortTransaction);
   CommitTransaction += new System.EventHandler(Sub_CommitTransaction);
      try
   {
      Account myAccount = new Account();
      int someAmount = 500;
      myAccount.Debit(someAmount); 
      ContextUtil.SetComplete(); 
   }
   catch(Exception)
   {
      ContextUtil.SetAbort();
   }
  }

private void Sub_AbortTransaction(object sender,System.EventArgs e)
{
   // Code for RollBack activity goes here.
   Response.Write("Transaction Aborted");
}
private void Sub_CommitTransaction(object sender,System.EventArgs e)
{
   // Code for Commit Activity goes here.
   Response.Write("Transaction Commited");
}

   private Sub Page_Load(Sender As Object, e As EventArgs)

   AddHandler Me.myCommitTransaction,AddressOf Sub_CommitTransaction
   AddHandler Me.myAbortTransaction,AddressOf Sub_AbortTransaction

      try
   
      Dim myAccount As Account = New Account()
      Dim someAmount As Integer = 500
      myAccount.Debit(someAmount)
      ContextUtil.SetComplete()
   
   catch e1 As Exception
         ContextUtil.SetAbort()
   End Try
  End Sub

Public event myCommitTransaction As System.EventHandler 
 Public event myAbortTransaction As System.EventHandler
 
 protected overrides Sub  OnCommitTransaction(e As EventArgs )
  
       RaiseEvent myCommitTransaction(Me ,e)
       Response.Write("<br /><br />The 'OnCommitTransaction()' method is used to raise the 'CommitTransaction' event." )

End Sub
  
  protected  overrides Sub OnAbortTransaction(e As EventArgs)
       RaiseEvent myAbortTransaction(Me ,e)
       Response.Write("<br /><br />The 'OnAbortTransaction()' method is used to raise the 'AbortTransaction' event." )
  End Sub

private Sub Sub_AbortTransaction(Sender As Object, e As EventArgs)
  ' Code for RollBack activity goes here.
   Response.Write("Transaction Aborted")
End Sub

private Sub Sub_CommitTransaction(Sender As Object, e As EventArgs)
  ' Code for Commit Activity goes here.
   Response.Write("Transaction Commited")
End Sub

Ayrıca bkz.

• CommitTransaction
• Error
• OnAbortTransaction(EventArgs)
• İşlem İşleme